inc/cpliwmap.h
branchv5backport
changeset 30 f9f9f96b1873
child 54 666a2952b5b3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/cpliwmap.h	Fri Mar 26 03:06:02 2010 +0530
@@ -0,0 +1,620 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   CCPLiwMap - class used in Content Publisher
+ *
+*/
+
+#ifndef C_CPLIWIDSMAP_H
+#define C_CPLIWIDSMAP_H
+
+#include <liwvariant.h>
+#include <sqldb.h>
+#include "cpglobals.h"
+
+class RDesReadStream;
+class CCPSecurityPolicy;
+
+// CLASS DECLARATION
+/**
+ *  Base Map class for Publisher Registry and Content
+ *
+ *  @lib cputils.dll
+ *  @since S60 v5.0
+ */
+class CCPLiwMap : public CLiwMap
+    {
+
+protected:
+    
+    /**
+     * Enum defining the properties of filter.
+     */
+    enum TCPProperties
+        {
+        EPublisher = 1,
+        EContentType = 2,
+        EContentId = 4,
+        EFlag = 8,
+        };
+
+    /**
+     * Enum defining the sort ordering.
+     */    
+	enum TCPSortOrder
+        {
+        ECPRecent = 1, // 0001
+        ECPPublisher  = 2, // 0010
+        ECPContent = 4, // 0100 
+        ECPContentId = 8 // 1000 
+        };   
+
+public:
+
+    friend class CCpStorageEngine;
+
+    /**
+     * Two-phased constructor.
+     */    
+    IMPORT_C static CCPLiwMap* NewL( RDesReadStream& aStream );
+
+    /**
+     * Two-phased constructor.
+     */    
+    IMPORT_C static CCPLiwMap* NewL( const CLiwGenericParamList& aList );
+
+    /**
+     * Used by client to serialize this object 
+     *
+     * @return object serialized to binary
+     */
+    IMPORT_C HBufC8* PackForServerLC() const;
+    
+    /**
+     * Reset map
+     */
+    IMPORT_C void Reset( ) const;
+    
+    /**
+     * Leaves when Add data operation is not possible due
+     * to missing of some parameter
+     */
+    virtual void IsValidForAddL( ) const;
+
+    /**
+     * Leaves when Execute Action operation is not possible due
+     * to missing of some parameter
+     */
+    IMPORT_C void IsValidForActionL( ) const;
+    
+    /**
+     * Leaves when RequestNotification operation is not possible due
+     * to missing of some parameter
+     */
+    IMPORT_C void IsValidForNotificationL( ) const;
+    
+    /**
+     * Fetches value for property(key) from internal map
+     *
+     * @param aProperty name of the property ( key ) 
+     * @param aResult target descriptor for fetching operation
+     * @return ETrue is property found or EFalse if not
+     */
+    IMPORT_C TBool GetPropertyL( const TDesC8& aProperty,
+             RBuf& aResult ) const;
+
+    /**
+     * Fetches value for property(key) from internal map
+     *
+     * @param aProperty name of the property ( key ) 
+     * @param aResult target binary for fetching operation
+     * @return ETrue is property found or EFalse if not
+     */
+    IMPORT_C TBool GetPropertyL( const TDesC8& aProperty,
+            RBuf8& aResult ) const;
+    
+    /**
+     * Fetches value for property(key) from internal map
+     *
+     * @param aProperty name of the property ( key ) 
+     * @param aResult target integer for fetching operation
+     * @return ETrue is property found or EFalse if not
+     */
+    IMPORT_C TBool GetProperty( const TDesC8& aProperty,
+    		TInt32& aResult ) const;
+
+    
+    /**
+     * Setter for security policy 
+     *
+     * @param aPolicy security policy
+     */
+    IMPORT_C void SetSecurityL( const RMessage2& aMessage );
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CCPLiwMap();
+
+    /**
+     * Check if IDs are valid for Delete operation
+     */
+    virtual void IsValidForDeleteL() const =0;
+    
+    /**
+     * Check if IDs are valid for GetList operation
+     */
+    virtual void IsValidForGetListL() const =0;    
+
+	/**
+     *
+     * @return ETrue if supported, EFalse if not
+     */
+	virtual TBool ActivateActionSupport( ) const = 0;
+
+	/**
+     *
+     * @return ETrue if activate flag is set, EFalse if not
+     */
+	virtual TBool GetActivateInfo( ) const = 0;
+
+	
+public:
+
+    // from base class CLiwMap
+    /**
+     * Inserts a key-value pair element to the map collection. If
+     * the specified key already exists, it will be removed from
+     * the collection and the new key-value pair will be added to the
+     * map.
+     *  
+     * @param aKey the key to be stored
+     * @param aValue the value associated with the key to be stored
+     */
+    void InsertL( const TDesC8& aKey, const TLiwVariant& aValue );
+
+    /**
+     * Finds a value stored in the map collection based on the key.
+     *  
+     * @param aKey the key to be searched
+     * @param aFndValue the value associated with the found key
+     * @return false if there is no key stored; true otherwise
+     */
+    TBool FindL( const TDesC8& aKey, TLiwVariant& aValue ) const;
+
+    /**
+     * Returns the number of key-value pair stored in the map collection.
+     *  
+     * @return the number of key-value pair stored in the map collection
+     */
+    TInt Count() const;
+
+    /**
+     * Returns the key stored at a specified index. 
+     *  
+     * @param aIndex the index of the key to be found
+     * @param aFndKey the key found at the passed index
+     *
+     * @return true if a key-value entry is found at the passed index;
+     * false otherwise
+     */
+    TBool AtL( TInt aIndex, TDes8& aFndKey ) const;
+
+    /**
+     * Removes a key from the map collection.
+     *  
+     * @param aKey the key to be removed from the map
+     */
+    void Remove( const TDesC8& aKey );
+
+    /**
+     * Returns the size of the collection. The size is 
+     * calculated based on the total numer of key-value elements
+     * and the size of each pair in the collection
+     *  
+     * @return the size of the collection
+     */
+    TInt Size() const;
+
+    /**
+     * The container managed data values can be serialized to an output
+     * stream. 
+     * 
+     * @param aOutputStream the output stream to which the data will be streamed
+     */
+    void ExternalizeL( RWriteStream& aOutputStream ) const;
+
+protected:
+
+    /**
+     * Adds to database current content
+     *  
+     * @param aSqlDb handle to database
+     * @param aNotificationList list of notifications to fill in when 
+     *        something was actually changed in dataabse
+     *
+     * @return id of added entry
+     */
+    virtual TInt32 AddL( RSqlDatabase aSqlDb,
+        CLiwDefaultList* aNotificationList = 0 ) const= 0;
+
+    /**
+     * Fetches entries from database
+     *  
+     * @param aSqlDb handle to database
+     * @param aList target list for enntries
+     * @param aItemsToDelete ids of entries for removal - 
+     *        they were found to be expired
+     *
+     * @return number of fetched entries
+     */
+    virtual TUint GetListL( RSqlDatabase aSqlDb, CLiwGenericParamList* aList,
+        RArray<TInt32>& aItemsToDelete ) const = 0;
+
+    /**
+     * Removes entries from database
+     *  
+     * @param aSqlDb handle to database
+     * @param aNotificationList list of notifications to fill in when 
+     *        something was actually changed in dataabse
+     */
+    virtual void RemoveL( RSqlDatabase aSqlDb,
+        CLiwDefaultList* aNotificationList = 0 ) const = 0;
+
+    /**
+     * Saves results from query to SQLite Server
+     *  
+     * @param aStmt handle to SQL statement
+     * @param aList target list for enntries
+     * @param aItemsToDelete ids of entries for removal - 
+     *        they were found to be expired
+     */
+    virtual void SaveQueryResultsL( RSqlStatement& aStmt,
+        CLiwGenericParamList& aList, RArray<TInt32>& aItemsToDelete ) const = 0;
+
+    /**
+     * Updates entry in database
+     *  
+     * @param aSqlDb handle to database
+     * @param aNotificationList list of notifications to fill in when 
+     *        something was actually changed in dataabse
+     */
+    virtual void UpdateL( RSqlDatabase aSqlDb, TInt32 aId,
+        CLiwDefaultList* aNotificationList = 0 ) const = 0;
+
+    /**
+     * Performs actuall add operation
+     *  
+     * @param aSqlDb handle to database
+     * @param aNotificationList list of notifications to fill in when 
+     *        something was actually changed in dataabse
+     *
+     * @return id of added entry
+     */
+    virtual TInt32 AddToDbL( RSqlDatabase aSqlDb,
+        CLiwDefaultList* aNotificationList = 0 ) const = 0;
+
+    /**
+     * Checks if operation value is proper
+     *  
+     * @param aValue contains operation value
+     */    
+    void IsProperOperationL( const TLiwVariant& aValue ) const;
+    
+    
+    /**
+     * Appends GetList filter as strings to SQL query according to aFilter
+     *  
+     * @param aQuery SQL query
+     * @param aFilter as enum
+     *
+     */
+    void AppendGetListFilterL( RBuf& aQuery, TUint& aFilter ) const;
+    
+    /**
+     * Appends Remove filter as strings to SQL query according to aFilter
+     *  
+     * @param aQuery SQL query
+     * @param aFilter as enum
+     *
+     */
+    void AppendRemoveFilterL( RBuf& aQuery, TUint& aFilter ) const;
+    
+    
+    /**
+     * Appends filter as strings to SQL query according to aFilter
+     *  
+     * @param aQuery SQL query
+     * @param aFilter as enum
+     *
+     */
+    virtual void AppendFilterL( RBuf& aQuery, TUint& aFilter ) const;
+
+    /**
+     * Prepares SQL query for Add operation
+     *
+     * @param aSqlDb handle to database  
+     * @param aStmt handle to SQL statement
+     * @param aQuery SQL query
+     *
+     */
+    virtual void PrepareStmtforAddL( RSqlDatabase aSqlDb,
+        RSqlStatement& aStmt, const TDesC& aQuery ) const;
+    /**
+     * Appends sorting criteria as strings to SQL query according to aSort
+     *
+     * @param aQuery SQL query
+     * @param aSort sort filter as TInt
+     *
+     */
+    virtual void AppendSortL( RBuf& aQuery, 
+        const TCPSortOrder& aSort ) const = 0;
+
+    /**
+      * Fills change info map with proper values
+      *aStmt
+      * @param aStmt handle to SQL statement
+      * @param aChangeInfoMap map that will be filed
+      *
+      */
+    virtual void FillChangeInfoMapL( RSqlStatement& aStmt, 
+			CLiwDefaultMap* aMap ) const;
+
+protected:
+
+    /**
+     * Sets all parameters according to provided list
+     * @param aItemMap map with parameters
+     */
+    void SetL( const CLiwGenericParamList& aInParamList );
+
+    /**
+     * Check Get properties
+     *
+     * @return logical sum of TCPProperties of the object
+     */
+    TUint GetFilterL() const;
+
+    /**
+     * Check and return sort order
+     *
+     * @return Sort Criteria
+     */
+    TCPSortOrder GetSortL() const;
+
+    /**
+     * Check if Publisher name is set
+     *
+     * @return ETrue if Publisher name was set, EFalse if not
+     */
+    TBool IsPublisherNameL() const;
+
+    /**
+     * Check if ContentType is set
+     *
+     * @return ETrue if ContentType was set, EFalse if not
+     */
+    TBool IsContentTypeL() const;
+
+    /**
+     * Check if ContentId is set
+     *
+     * @return ETrue if ContentId was set, EFalse if not
+     */
+    TBool IsContentIdL() const;
+
+    /**
+     * Check if ActionTrigger is set
+     *
+     * @return ETrue if ActionTrigger was set, EFalse if not
+     */
+    TBool IsTriggerL( ) const;
+
+    /**
+     * Check if Flag is present
+     *
+     * @return ETrue if ContentId was set, EFalse if not
+     */
+    TBool IsFlag( ) const;
+    	
+    /**
+     * Checks if Id property is present in internal map
+     *
+     */
+    TBool IsId() const;
+
+    /**
+     * Checks if property(key) is present in internal map 
+     *
+     */
+    TBool PropertyExists( const TDesC8& aProperty ) const;
+
+    
+    /**
+     * Fetches entries from database
+     *  
+     * @param aSqlDb handle to database
+     * @param aQuery aQuery SQL query
+     * @param aList target list for enntries
+     * @param aItemsToDelete ids of entries for removal - 
+     *        they were found to be expired
+     *
+     * @return number of fetched entries
+     */
+    TUint GetListL( RSqlDatabase aSqlDb, const TDesC& aQuery,
+        CLiwGenericParamList* aList, RArray<TInt32>& aItemsToDelete ) const;
+
+    /**
+     * Removes entries from database
+     *  
+     * @param aSqlDb handle to database
+     * @param aQuery SQL query
+     * 
+     */
+    void RemoveL( RSqlDatabase aSqlDb, const TDesC& aQuery ) const;
+
+    /**
+     * Fetches Ids (Publisher, ContentType, ContentId) from database
+     * 
+     * @param aId id entry in database
+     * @param aQuery SQL query
+     * @param aMap map to insert Ids
+     * @param aSqlDb handle to database  
+     * 
+     */
+    void FetchIdsL( TInt32 aId, const TDesC& aQuery, CLiwDefaultMap* aMap,
+        RSqlDatabase aSqlDb ) const;
+
+    /**
+     * Fetches Id from database
+     * 
+     * @param aSqlDb handle to database
+     * @param aQuery SQL query
+     * @param aId id entry from database
+     * 
+     */
+    void FetchIdL( RSqlDatabase aSqlDb,
+        const TDesC& aQuery, TInt32& aId ) const;
+
+    /**
+     * Gets Ids (Id, Publisher, ContentType, ContentId) 
+     *      of removed entries from database
+     *  
+     * @param aSqlDb handle to database
+     * @param aQuery SQL query
+     * @param aList List with ids
+     * 
+     */
+    void GetIdsOfRemovedEntriesL( RSqlDatabase aSqlDb, const TDesC& aQuery,
+        CLiwDefaultList* aList ) const;
+
+    /**
+     * Saves Ids (Id, Publisher, ContentType, ContentId) from database
+     * 
+     * @param aSqlDb handle to database
+     * @param aList List with ids
+     * 
+     */
+    void SaveQueryResultsIdsL( RSqlStatement& aStmt,
+        CLiwDefaultList* aList ) const;    
+
+    /**
+     * Contructs SQL query to select entry
+     * @param aQuery SQL query
+     * 
+     */
+    void ConstructSelectIdL( RBuf& aQuery ) const;
+
+    /**
+     * Contructs SQL query to select entries for GetList
+     * @param aQuery SQL query
+     * 
+     */
+    void ConstructGetListSelectL( RBuf& aQuery, TBool aGet = ETrue ) const;
+
+    /**
+     * Contructs SQL query to select entries for Remove
+     * @param aQuery SQL query
+     * 
+     */
+    void ConstructRemoveSelectL( RBuf& aQuery, TBool aGet = ETrue ) const;
+    
+    /**
+     * Binds value to query
+     * @param aQuery SQL query
+     * @param aSqlDb handle to database
+     * 
+     */
+    void BindValueL( const RBuf& aQuery, RSqlStatement& aStmt ) const;
+
+    /**
+     * Checks if GetList for all items should be done
+     * @param aFilter flag describing which ids are set
+     * @return ETrue if getlist for all items shold be done, EFalse if not
+     */
+    TBool IsGetListAllL( TUint aFilter ) const;
+    
+    /**
+     * Removes attributes with "All" value from map
+     * @param aFilter filter bit will be reset if any attribute == "all"
+     */    
+    void RemoveAllAttributeL( TUint& aFilter ) const;
+    
+    /**
+     * Leaves if publisher, content type od content_id is not descriptor type. 
+     */    
+    void CheckIdentifiersL() const;
+    
+    /**
+     * Leaves if aParameterIndex is negative-error value 
+     * or in case of binding error. 
+     */    
+    void BindTextL(RSqlStatement& aStmt, TInt aParameterIndex,
+        const TDesC& aParameterText) const;
+    
+    /**
+     * Leaves if aParameterIndex is negative-error value 
+     * or in case of binding error. 
+     */ 
+    void BindBinaryL(RSqlStatement& aStmt, TInt aParameterIndex,
+        const TDesC8& aParameterText) const;
+    
+    /**
+     * Leaves if aParameterIndex is negative-error value 
+     * or in case of binding error. 
+     */ 
+    void BindInt64L(RSqlStatement& aStmt, TInt aParameterIndex,
+        TInt64 aParameterValue) const;
+
+    /**
+     * Leaves if aParameterIndex is negative-error value 
+     * or in case of binding error. 
+     */ 
+    void BindIntL(RSqlStatement& aStmt, TInt aParameterIndex,
+        TInt aParameterValue) const;
+    
+    /**
+     * Leaves if column index return value is negative.
+     * @return result of RSqlStatement::ColumnIndex
+     */ 
+    TInt ColumnIndexL( RSqlStatement& aStmt, const TDesC& aColumnName )	const;
+protected:
+
+    /**
+     * C++ default constructor.
+     */     
+    CCPLiwMap();
+
+    /**
+     * Perform the second phase construction of a CCPLiwMap object.
+     */       
+    void ConstructL();
+
+protected:
+    // data
+
+    /*
+     * The underlying generic parameter list
+     * Own.
+     */
+    CLiwGenericParamList* iMap;
+    
+    /*
+     * Class used for security 
+     *Own.
+     */
+    const CCPSecurityPolicy* iPolicy;
+
+    };
+
+#endif // C_CPLIWIDSMAP_H